From: Sunil Pandey <skpgkp2@gmail.com>
To: "H.J. Lu" <hjl.tools@gmail.com>,
Libc-stable Mailing List <libc-stable@sourceware.org>
Cc: Noah Goldstein <goldstein.w.n@gmail.com>,
GNU C Library <libc-alpha@sourceware.org>
Subject: Re: [PATCH v1 10/23] x86: Remove strpbrk-sse2.S and use the generic implementation
Date: Thu, 12 May 2022 12:41:47 -0700 [thread overview]
Message-ID: <CAMAf5_fOwZj9fjKEpscQbRMg-ASc=7fQjvygd7BJgx6ixq5rww@mail.gmail.com> (raw)
In-Reply-To: <CAMe9rOqn8rZNfisVTmSKP9iWH1N26D--dncq1=MMgo-Hh-oR_Q@mail.gmail.com>
On Thu, Mar 24, 2022 at 12:00 PM H.J. Lu via Libc-alpha
<libc-alpha@sourceware.org> wrote:
>
> On Wed, Mar 23, 2022 at 3:00 PM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
> >
> > The generic implementation is faster (see strcspn commit).
> >
> > All string/memory tests pass.
> > ---
> > .../x86_64/multiarch/{strpbrk-sse2.S => strpbrk-sse2.c} | 9 ++++-----
> > sysdeps/x86_64/strpbrk.S | 3 ---
> > 2 files changed, 4 insertions(+), 8 deletions(-)
> > rename sysdeps/x86_64/multiarch/{strpbrk-sse2.S => strpbrk-sse2.c} (84%)
> > delete mode 100644 sysdeps/x86_64/strpbrk.S
> >
> > diff --git a/sysdeps/x86_64/multiarch/strpbrk-sse2.S b/sysdeps/x86_64/multiarch/strpbrk-sse2.c
> > similarity index 84%
> > rename from sysdeps/x86_64/multiarch/strpbrk-sse2.S
> > rename to sysdeps/x86_64/multiarch/strpbrk-sse2.c
> > index d537b6c27b..d03214c4fb 100644
> > --- a/sysdeps/x86_64/multiarch/strpbrk-sse2.S
> > +++ b/sysdeps/x86_64/multiarch/strpbrk-sse2.c
> > @@ -1,4 +1,4 @@
> > -/* strpbrk optimized with SSE2.
> > +/* strpbrk.
> > Copyright (C) 2017-2022 Free Software Foundation, Inc.
> > This file is part of the GNU C Library.
> >
> > @@ -19,11 +19,10 @@
> > #if IS_IN (libc)
> >
> > # include <sysdep.h>
> > -# define strcspn __strpbrk_sse2
> > +# define STRPBRK __strpbrk_sse2
> >
> > # undef libc_hidden_builtin_def
> > -# define libc_hidden_builtin_def(strpbrk)
> > +# define libc_hidden_builtin_def(STRPBRK)
> > #endif
> >
> > -#define USE_AS_STRPBRK
> > -#include <sysdeps/x86_64/strcspn.S>
> > +#include <string/strpbrk.c>
> > diff --git a/sysdeps/x86_64/strpbrk.S b/sysdeps/x86_64/strpbrk.S
> > deleted file mode 100644
> > index 21888a5b92..0000000000
> > --- a/sysdeps/x86_64/strpbrk.S
> > +++ /dev/null
> > @@ -1,3 +0,0 @@
> > -#define strcspn strpbrk
> > -#define USE_AS_STRPBRK
> > -#include <sysdeps/x86_64/strcspn.S>
> > --
> > 2.25.1
> >
>
> LGTM.
>
> Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
>
> Thanks.
>
> --
> H.J.
I would like to backport this patch to release branches.
Any comments or objections?
--Sunil
next prev parent reply other threads:[~2022-05-12 19:42 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-23 21:57 [PATCH v1 01/23] benchtests: Use json-lib in bench-strchr.c Noah Goldstein
2022-03-23 21:57 ` [PATCH v1 02/23] benchtests: Add random benchmark " Noah Goldstein
2022-03-24 18:44 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 03/23] x86: Code cleanup in strchr-avx2 and comment justifying branch Noah Goldstein
2022-03-24 18:53 ` H.J. Lu
2022-03-24 19:20 ` Noah Goldstein
2022-03-24 19:36 ` H.J. Lu
2022-05-12 19:31 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 04/23] x86: Code cleanup in strchr-evex " Noah Goldstein
2022-03-24 18:54 ` H.J. Lu
2022-05-12 19:32 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 05/23] benchtests: Use json-lib in bench-strpbrk.c Noah Goldstein
2022-03-24 18:54 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 06/23] benchtests: Use json-lib in bench-strspn.c Noah Goldstein
2022-03-24 18:54 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 07/23] x86: Optimize strcspn and strpbrk in strcspn-c.c Noah Goldstein
2022-03-24 18:55 ` H.J. Lu
2022-05-12 19:34 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 08/23] x86: Optimize strspn in strspn-c.c Noah Goldstein
2022-03-24 18:56 ` H.J. Lu
2022-05-12 19:39 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 09/23] x86: Remove strcspn-sse2.S and use the generic implementation Noah Goldstein
2022-03-24 18:57 ` H.J. Lu
2022-05-12 19:40 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 10/23] x86: Remove strpbrk-sse2.S " Noah Goldstein
2022-03-24 18:57 ` H.J. Lu
2022-05-12 19:41 ` Sunil Pandey [this message]
2022-03-23 21:57 ` [PATCH v1 11/23] x86: Remove strspn-sse2.S " Noah Goldstein
2022-03-24 18:57 ` H.J. Lu
2022-05-12 19:42 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 12/23] x86: Fix fallback for wcsncmp_avx2 in strcmp-avx2.S [BZ #28896] Noah Goldstein
2022-03-24 18:59 ` H.J. Lu
2022-03-24 19:18 ` Noah Goldstein
2022-03-24 19:34 ` H.J. Lu
2022-03-24 19:39 ` Noah Goldstein
2022-03-24 20:50 ` [PATCH v2 12/31] " Noah Goldstein
2022-03-24 21:26 ` H.J. Lu
2022-03-24 21:43 ` Noah Goldstein
2022-03-24 21:58 ` H.J. Lu
2022-05-04 6:05 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 13/23] benchtests: Use json-lib in bench-strcasecmp.c Noah Goldstein
2022-03-24 19:00 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 14/23] benchtests: Use json-lib in bench-strncasecmp.c Noah Goldstein
2022-03-24 19:00 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 15/23] string: Expand page cross tests in test-strcasecmp.c Noah Goldstein
2022-03-24 19:01 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 16/23] string: Expand page cross tests in test-strncasecmp.c Noah Goldstein
2022-03-24 19:01 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 17/23] x86: Optimize str{n}casecmp TOLOWER logic in strcmp.S Noah Goldstein
2022-03-24 19:02 ` H.J. Lu
2022-05-12 19:44 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 18/23] x86: Optimize str{n}casecmp TOLOWER logic in strcmp-sse42.S Noah Goldstein
2022-03-24 19:02 ` H.J. Lu
2022-05-12 19:45 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 19/23] string: Expand page cross test cases in test-strcmp.c Noah Goldstein
2022-03-24 19:02 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 20/23] string: Expand page cross test cases in test-strncmp.c Noah Goldstein
2022-03-24 19:02 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 21/23] x86: Add AVX2 optimized str{n}casecmp Noah Goldstein
2022-03-24 19:03 ` H.J. Lu
2022-03-24 22:41 ` [PATCH v3 " Noah Goldstein
2022-03-24 22:41 ` [PATCH v3 22/23] x86: Add EVEX " Noah Goldstein
2022-03-24 23:56 ` [PATCH v4 21/23] x86: Add AVX2 " Noah Goldstein
2022-03-24 23:56 ` [PATCH v4 22/23] x86: Add EVEX " Noah Goldstein
2022-03-25 18:15 ` H.J. Lu
2022-03-25 18:18 ` Noah Goldstein
2022-05-12 19:47 ` Sunil Pandey
2022-05-12 19:52 ` Sunil Pandey
2022-03-25 18:14 ` [PATCH v4 21/23] x86: Add AVX2 " H.J. Lu
2022-05-12 19:52 ` Sunil Pandey
2022-03-23 21:57 ` [PATCH v1 22/23] x86: Add EVEX " Noah Goldstein
2022-03-24 19:04 ` H.J. Lu
2022-03-23 21:57 ` [PATCH v1 23/23] x86: Remove AVX str{n}casecmp Noah Goldstein
2022-03-24 19:04 ` H.J. Lu
2022-05-12 19:54 ` Sunil Pandey
2022-03-24 18:43 ` [PATCH v1 01/23] benchtests: Use json-lib in bench-strchr.c H.J. Lu
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